It was first organized at a tournament hosted by Thibaut of Champagne, although it had earlier been preached for by Fulk of Neuilly. Geoffrey de Villehardoin chronicled about this event, the aftermath of which saw the establishment of the Empire of Nicaea and the Despotate of Epirus. It was at the court of Philip of Swabia 
It was first organized at a tournament hosted by Thibaut of Champagne, although it had earlier been preached for by Fulk of Neuilly. Geoffrey de Villehardoin chronicled about this event, the aftermath of which saw the establishment of the Empire of Nicaea and the Despotate of Epirus. It was at the court of Philip of Swabia that the course of this event changed, although Enrico Dandolo was responsible for the plunder of Zara, a port under Hungarian control. Baldwin of Flanders, the ruler of the most important polity that emerged from it, was humiliated by the Bulgarians at the Battle of Adrianople in 1205. Its participants under Boniface of Montferrat gathered at Venice and originally intended to attack Egypt, but when Alexius Angelus sought help, their objective changed. For 10 points, what Crusade ended in a savage sacking of Constantinople?
It was first organized at a tournament hosted by Thibaut of Champagne, although it had earlier been preached for by Fulk of Neuilly.
the {Fourth} Crusade